Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o conteúdo do serviço de televisão rai 1?
 ###Tabelas: CREATE TABLE former_or_demolished_stadiums (former_or_demolished_stadiums_id AUTO_INCREMENT PRIMARY KEY, Stadium VARCHAR, Capacity INT, City VARCHAR, Country VARCHAR, Home team/s VARCHAR, Closed (as a RL stadium) INT) CREATE TABLE national_terrestrial_and_sky_tg24 (national_terrestrial_and_sky_tg24_id AUTO_INCREMENT PRIMARY KEY, N° INT, Television service VARCHAR, Country VARCHAR, Language VARCHAR, Content VARCHAR, DAR VARCHAR, HDTV VARCHAR, Package/Option VARCHAR) CREATE TABLE juries (juries_id AUTO_INCREMENT PRIMARY KEY, Song VARCHAR, International Jury VARCHAR, Luleå VARCHAR, Umeå VARCHAR, Sundsvall VARCHAR, Falun VARCHAR, Karlstad VARCHAR, Örebro VARCHAR, Norrköping VARCHAR, Göteborg VARCHAR, Växjö VARCHAR, Malmö VARCHAR, Stockholm VARCHAR, Total INT) CREATE TABLE wisconsin_counties_ranked_by_per_capita_income (wisconsin_counties_ranked_by_per_capita_income_id AUTO_INCREMENT PRIMARY KEY, County VARCHAR, Per capita income VARCHAR, Median household income VARCHAR, Median family income VARCHAR, Population INT, Number of households INT) CREATE TABLE full_powered_stations (full_powered_stations_id AUTO_INCREMENT PRIMARY KEY, Call sign VARCHAR, Frequency MHz INT, City of license VARCHAR, ERP W INT, Class VARCHAR, FCC info VARCHAR)  
SELECT Content FROM national_terrestrial_and_sky_tg24 WHERE Television service = Rai 1